varioSpeed: Microwave Works, Oven Doesn’t
If microwave mode heats but oven modes do not, the oven heating element, fan or thermal cut-out has failed. If oven modes work but microwave does not, the high-voltage circuit is at fault.

Independent specialists for Siemens iQ built-in microwaves and varioSpeed compact combination ovens.
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Siemens built-in microwaves are usually part of a matching iQ kitchen column. The varioSpeed compact ovens combine microwave with oven heating, so a fault may affect only one function.
If microwave mode heats but oven modes do not, the oven heating element, fan or thermal cut-out has failed. If oven modes work but microwave does not, the high-voltage circuit is at fault.
Unresponsive touch controls often follow steam or grease getting behind the panel. We test the touch module and power supply before replacing parts.
Every microwave, including Siemens built-in models, uses a set of door interlock switches that must operate in the right order. If one fails, a monitor switch deliberately blows the fuse to stop the microwave running with the door open. That is why a dead Siemens microwave often needs both a fuse and a switch, and why we test all switches before refitting the unit.
Our Siemens process:
Siemens built-in microwaves often sit directly above an oven. Heat and steam from the oven below can reach the microwave’s controls over time. Letting the oven cool with its door closed, and keeping the column ventilation clear, protects both appliances.
Yes. See Siemens oven repair.
Usually a failed door interlock switch triggered the safety monitor switch. Both need replacing.
Yes, both the microwave and oven functions.
Some checks can, but high-voltage repairs usually need the unit removed from its housing.
A high-voltage component has failed. The unit usually needs removing from its housing for testing.
No. We are an independent repair company specializing in Siemens appliances. If your Siemens microwave is under manufacturer warranty, contact the official Siemens service center first. For out-of-warranty repairs, we offer same-day visits across Dubai.
Book a technician today. Same-day visits across Dubai, with an itemized quote before any work starts.